<% provide(:title , '') %>
<div class="index-image">
  <%= image_tag("index.jpg", alt: "主页", class: "image") %>
</div>
<div class="index-image-text">
  <p class="center"><span class="title">“TI杯”清华电设大赛</span></p>
  <p class="center"><span class="slogan">我将雄据此地, 看今世英雄匍匐脚下</span></p>
</div>
<div class="signin-box">
  <% if !signed_in? %>
    <%= render "signin" %>
  <% else %>
    <%= render "recent_inf" %>
  <% end %>
</div>
